An algorithm for distributed parameter estimation in modal regression models

Xuejun Ma and Xiaochao Xia

Statistical Theory and Related Fields, 2025, vol. 9, issue 2, 101-123

Abstract: In this paper, we propose a new algorithm to handle massive data sets, which are modelled by modal regression models. Differing from the existing methods regarding distributed modal regression, the proposed method combines the divide-and-conquer idea and a linear approximation algorithm. It is computationally fast and statistically efficient to implement. Theoretical analysis for the resultant distributed estimator under some regularity conditions is presented. Simulation studies are conducted to assess the effectiveness and flexibility of the proposed method with a finite sample size. Finally, an empirical application to the chemical sensors data is analysed for further illustration.

Date: 2025
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DOI: 10.1080/24754269.2025.2483553

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